MOC3022SMT&R

Triac, SCR Output Optoisolators Overview

The MOC3022SMT&R is a random phase triac output optocoupler manufactured by Isocom Components 2004 LTD. It features a single channel with 5000Vrms isolation voltage and a 400V off-state voltage capability. The device utilizes surface mount DIP packaging with six pins. Input type is DC, and it operates without zero-crossing detection, making it suitable for phase control applications requiring immediate triggering upon input signal activation.

Triac, SCR Output Optoisolators Feature Summary

• Random phase triac output for non-zero crossing applications
• High isolation voltage of 5000Vrms
• Surface mount 6-pin DIP package

Triac, SCR Output Optoisolators Applications

• AC power switching circuits
• Solid state relays
• Motor speed control systems

Triac, SCR Output Optoisolators Procurement Notes

Verify the manufacturer designation carefully as Isocom Components often distributes products originally designed by other semiconductor manufacturers. Confirm that the specific lot marking matches the intended source component datasheet to ensure electrical parameter compliance. Check for any obsolescence notices or lifecycle status updates from the distributor before finalizing procurement plans.

Triac, SCR Output Optoisolators Selection Notes

Select this component when random phase triggering is required rather than zero-crossing switching. Ensure the load current does not exceed the internal triac rating. Verify that the 400V blocking voltage is sufficient for the AC line voltage being controlled. Consider thermal management requirements for the surface mount package in high-duty cycle applications.

Triac, SCR Output Optoisolators Part Context

This part belongs to the family of random phase triac optoisolators used for interfacing low-voltage control circuits with high-voltage AC loads. Unlike zero-crossing variants, these devices trigger immediately, which is essential for precise phase-angle control in dimmers and motor drives where timing accuracy is critical over simple soft-start functionality.

Triac, SCR Output Optoisolators Replacement Considerations

• MOC3021SMT&R

Triac, SCR Output Optoisolators FAQ

Does the MOC3022SMT&R include zero-crossing detection?

No, it is a random phase device that triggers immediately regardless of the AC line voltage phase.

What is the maximum off-state voltage?

The device supports an off-state voltage of 400V.